Flow Computer Wireless Interface Module Integration

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Solution Overview

Problem

The integration of flow computers with field devices in SCADA systems is complex and costly due to the need for multiple communication protocols and separate hardware components, leading to increased time, expense, and reduced reliability.

Innovation Solution

A flow computer with a built-in wireless protocol interface module that communicates directly with field devices using a single wireless protocol, such as WirelessHART, eliminating the need for intermediate gateways and reducing the number of components and power sources, thereby simplifying configuration and reducing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple communication protocols and separate hardware components are used to integrate flow computers with field devices, then compatibility with various field devices is improved, but device complexity and cost increase

Engineering Contradiction:
Improvecompatibility with field devicesVSAvoidnumber of communication protocols and hardware components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The flow computer is equipped with a universal wireless communication interface that supports multiple wireless protocols (such as WirelessHART, Zigbee, Wi-Fi) within a single device. This allows the flow computer to directly communicate with various types of wireless field devices without requiring multiple specialized hardware components or intermediate gateways, thereby reducing device complexity while maintaining broad adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the wireless communication interface, protocol handling capabilities, and data processing functions into a single integrated flow computer unit. By merging these previously separate components into one device, the system eliminates the need for separate communication modules and reduces the overall number of hardware components required for integration with field devices.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If intermediate gateways are used to communicate with wireless field devices, then protocol compatibility is improved, but system cost and physical footprint increase

Engineering Contradiction:
Improveprotocol compatibilityVSAvoidnumber of components and power sources
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The flow computer directly integrates wireless communication capabilities, eliminating the need for separate intermediate gateway devices. This direct integration combines the functions of the flow computer and gateway into a single unit, reducing the total number of components and power sources required in the system while maintaining full protocol compatibility with wireless field devices.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent extracts the gateway functionality directly into the flow computer by incorporating a wireless communication interface module within the flow computer's housing. This extraction eliminates the need for a separate physical gateway device, reducing the quantity of components and simplifying the system architecture while preserving protocol translation and communication capabilities.

Inventive Principle:
Principle #2Taking out (Extraction)

3Adaptability or versatility

If separate gateway devices are deployed, then communication capability is improved, but reliability is reduced due to additional connection points

Engineering Contradiction:
Improvecommunication capabilityVSAvoidsystem reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

By integrating the wireless communication interface directly into the flow computer, the system eliminates additional connection points between separate gateway devices and field devices. This integration reduces the number of potential failure points in the communication path, thereby improving system reliability while maintaining full communication capability with wireless field devices.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP2845371B1Flow computers having wireless communication protocol interfaces and related methods
Publication Date: 2020.04.15 BRISTOL INC
  • EP2845371B1 patent drawingFigure 1
  • EP2845371B1 patent drawingFigure 2
  • EP2845371B1 patent drawingFigure 3

AI summary

Flow computers having wireless communication protocol interfaces and related methods are disclosed. In one example, a method involves receiving a request to be sent to a wireless device in a network of wireless devices, the request to be received via a remote terminal unit application executed on a processor within a flow computer, and communicating the request to the wireless device via a communications interface module, the communications interface module to be communicatively coupled to the processor via a backplane contained within a housing of the flow computer, the backplane to provide communications according to a high speed data bus communications protocol.